Species Detail Forb

Flower spike		Yavapai County Native & Naturalized Plants Penstemon thurberi - Thurber's penstemon Synonyms: Penstemon thurberi var. anestius Plant Form: Forb or Subshrub Family: Scrophulariaceae
Flower spike


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Leaves and flowers Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)	Plant Max Licher @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)

Forb Plant Description

Origin: Native Life Cycle: Perennial
General Desc: Weedy or brushy in appearance with weak stems that lie or grow on the ground with erect or rising tips.
Identification notes: Corolla blue-purple, funnel-shaped, few hairs at the flower orifice, throat with ridges, staminode (nonfunctional stamen) without hairs; leaves narrow, green or grayish, without teeth, having an abrupt tip.
Height: To 1-1/2 feet

Habitat

Habitat Description: Sandy or rocky slopes, roadside in lower elevations, chaparral and woodlands.
Plant Communities: Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Disturbed Areas
Elevation: 2000 - 5000 feet

Flower Characteristics

Color: Pinkish or pale blue-purple Shape: Irregular in elongated clusters Tubular: Y Flowering Period: Mar - Oct
Description: Five petals; 1/2 inch in size.

Leaf and Stem Characteristics

Leaf Color: Bright green Leaf Type: Simple Leaf Shape: Narrow Leaf Margin: Smooth Leaf Attachment: Opposite Leaves Clasp: N
Hairs: No Spines: Y
Leaf Description: Leaves narrow, linear in shape with edges rolled upward nearly into a tube. Many slender stems emerge from a woody base.

Fruit and Seed Characteristics

Fruit Type: Capsule


	Arizona Cooperative Extension Yavapai County 840 Rodeo Dr #C Prescott, AZ 86305 (928) 445-6590	Version 8.0 http://cales.arizona.edu/yavapaiplants/SpeciesDetailForb.php Last Updated: Dec 13, 2022 Content Questions/Comments: Email Matt Halldorson Legal Disclaimer